CVE-2023-53861
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
09/12/2025
Last modified:
15/04/2026
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
ext4: correct grp validation in ext4_mb_good_group<br />
<br />
Group corruption check will access memory of grp and will trigger kernel<br />
crash if grp is NULL. So do NULL check before corruption check.
Impact
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/245759d987b617d183061db6ab8886ebb5cc78e9
- https://git.kernel.org/stable/c/3e24082f16825279054a2b8a5e668d65070bbf07
- https://git.kernel.org/stable/c/772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d
- https://git.kernel.org/stable/c/83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4
- https://git.kernel.org/stable/c/a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93
- https://git.kernel.org/stable/c/e69d665987db0e37896adf78a7e718f9a0a75d3f